Robert “The Ghost” Guerrero to Throw Out Ceremonial First Pitch On Sunday, July 22. The five-time world champion Robert “The Ghost” Guerrero will throw out the ceremonial first pitch before the Oakland A’s vs. New York Yankees 1:05 p.m. game.

Guerrero, a native of Gilroy, Calif., has a record of 29 wins, 18 coming by way of knockout, with one defeat and one draw.

The 29-year-old will make his return to the ring for the first time in more than 15 months on July 28 where he will take on undefeated Selcuk Aydin (23-0, 17 KOs) for the WBC Interim Welterweight World Championship at HP Pavilion in San Jose, Calif.